-----------------
--英雄：巫妖
--技能：连环霜冻
--键位：R
--类型：指向目标
--作者：决明子
-----------------
local X = {}
local bot = GetBot()

local J = require( GetScriptDirectory()..'/FunLib/jmz_func')
local U = require( GetScriptDirectory()..'/AuxiliaryScript/Generic')

--初始数据
local ability = bot:GetAbilityByName('lich_chain_frost')
local nKeepMana, nMP, nHP, nLV, hEnemyHeroList, hAlleyHeroList, aetherRange;

nKeepMana = 400 --魔法储量
nLV = bot:GetLevel(); --当前英雄等级
nMP = bot:GetMana()/bot:GetMaxMana(); --目前法力值/最大法力值（魔法剩余比）
nHP = bot:GetHealth()/bot:GetMaxHealth();--目前生命值/最大生命值（生命剩余比）
hEnemyHeroList = bot:GetNearbyHeroes(1600, true, BOT_MODE_NONE);--1600范围内敌人
hAlleyHeroList = bot:GetNearbyHeroes(1600, false, BOT_MODE_NONE);--1600范围内队友

--获取以太棱镜施法距离加成
local aether = J.IsItemAvailable("item_aether_lens");
if aether ~= nil then aetherRange = 250 else aetherRange = 0 end
    
--初始化函数库
U.init(nLV, nMP, nHP, bot);

--技能释放功能
function X.Release(castTarget)
    if castTarget ~= nil then
        X.Compensation()
        bot:ActionQueue_UseAbilityOnEntity( ability, castTarget ) --使用技能
    end
end

--补偿功能
function X.Compensation()
    J.SetQueuePtToINT(bot, true)--临时补充魔法，使用魂戒
end

--技能释放欲望
function X.Consider()

	-- 确保技能可以使用
    if ability == nil
	   or ability:IsNull()
       or not ability:IsFullyCastable()
	then
		return BOT_ACTION_DESIRE_NONE, 0; --没欲望
	end
	
	local nSkillLV    = ability:GetLevel(); 
	local nCastRange  = ability:GetCastRange() + aetherRange
	local nCastPoint  = ability:GetCastPoint();
	local nManaCost   = ability:GetManaCost();
	local nDamage     = ability:GetSpecialValueInt('damage')
	local nDamageType = DAMAGE_TYPE_MAGICAL
	local nInRangeEnemyList = bot:GetNearbyHeroes(nCastRange +50, true, BOT_MODE_NONE);
	
	local nRadius = ability:GetSpecialValueInt('jump_range')/2
	
	--击杀
	for _,npcEnemy in pairs(nInRangeEnemyList)
	do 
		if J.IsValidHero(npcEnemy)
			and J.CanCastOnNonMagicImmune(npcEnemy)
			and J.CanCastOnTargetAdvanced(npcEnemy)
		then
			local nDelayTime = nCastPoint + GetUnitToUnitDistance(bot,npcEnemy)/850;
			if J.WillMagicKillTarget(bot,npcEnemy,nDamage,nDelayTime)
			then	
				return BOT_ACTION_DESIRE_HIGH,npcEnemy
			end
		end
	end
	
	
	--Aoe
	if #nInRangeEnemyList >= 1
	then
		local nAoeLoc = J.GetAoeEnemyHeroLocation(bot, nCastRange, nRadius, 2);
		if nAoeLoc ~= nil
		then
			for _,npcEnemy in pairs(nInRangeEnemyList)
			do 
				if J.IsValidHero(npcEnemy)
					and J.CanCastOnNonMagicImmune(npcEnemy)
					and J.CanCastOnTargetAdvanced(npcEnemy)
					and J.IsInLocRange(npcEnemy,nAoeLoc,nRadius)
				then
					return BOT_ACTION_DESIRE_HIGH,npcEnemy
				end
			end
		end	
	end
	
	
	--进攻
	if J.IsGoingOnSomeone(bot)
	then
		if J.IsValidHero(botTarget)
			and J.CanCastOnNonMagicImmune(botTarget)
			and J.CanCastOnTargetAdvanced(botTarget)
			and J.IsInRange(bot,botTarget,nCastRange)
		then
			local nEnemyCreepList = botTarget:GetNearbyCreeps(nRadius *1.9,false);
			local nEnemyHeroList = botTarget:GetNearbyHeroes(nRadius *1.9,false,BOT_MODE_NONE);
			if #nEnemyCreepList >= 2 or #nEnemyHeroList >= 2 or nHP < 0.28
			then
				return BOT_ACTION_DESIRE_HIGH,botTarget
			end
		end	
	end
	
	
	--撤退
	if J.IsRetreating(bot)
	then
		for _,npcEnemy in pairs(nInRangeEnemyList)
		do 
			if J.IsValidHero(npcEnemy)
				and J.CanCastOnNonMagicImmune(npcEnemy)
				and J.CanCastOnTargetAdvanced(npcEnemy)
				and bot:WasRecentlyDamagedByHero(npcEnemy,4.0)
			then
				local nEnemyCreepList = npcEnemy:GetNearbyCreeps(nRadius *1.9,false);
				local nEnemyHeroList = npcEnemy:GetNearbyHeroes(nRadius *1.9,false,BOT_MODE_NONE);
				if #nEnemyCreepList + #nEnemyHeroList >= 2 or nHP < 0.38
				then
					return BOT_ACTION_DESIRE_HIGH,npcEnemy
				end
			end
		end	
	end
	
	return BOT_ACTION_DESIRE_NONE, 0;
	
end

return X;